The gunman Adam was rejected to enter the school by four people, three of whom were killed on the second day. It seems normal as a prevention measure. But at this case, it might trigger partially a gunfire by inexperienced principal.
My friend had an encounter with robbers at a vacated house, he tried 拒人but it was not a best reaction, he should try to talk to them...
A mirrow is a story of Lenin, who talked and kept a bandit away from harming him.
There are more to examine, this tragedy might be prevented.
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